查询词典 nickel-plate

Tin-nickel alloy coats reduces harm of traditional nickel materials on human body and the coat of production, so it has obvious practical significance and broad prospects.

锡镍合金镀层无致敏性，从而减少传统的镍镀层材料对人体的危害；减少镍的用量，降低了生产成本，具有明显的现实意义与广阔的应用前景。

Products to sponge cadmium, cadmium oxide, cadmium nitrate, sulphate cadmium, nickel foam, metal cadmium powder as the main products of the coexistence of a variety of operations, monthly production reached: 200 tons of cadmium oxide, cadmium off more than 50 tons, cadmium powder 30 Tons, 300 tons of nitric acid cadmium, nickel foam 12,000 square meters, and so on, the annual turnover to reach 36 million.

产品以海绵镉、氧化镉、硝酸镉、硫酸镉、发泡镍、金属镉粉为主要产品的多种经营方式并存，月产量达到：氧化镉200吨、海面镉50多吨、镉粉30多吨、硝酸镉300吨、发泡镍12000平方米等等，年营业以达到3600万。

This article introduce one kind of the method that monolithic integrated circuit programming to control nickel cadmium cell intelligence battery to charger integrated circuit principle, and produce the nickel cadmium intelligence battery charger practical application electric circuit which this chip constituted.

本文介绍了一种用单片机编程控制的镍镉电池智能充电器集成电路的原理，并给出了使用该芯片所构成的镍镉智能电池充电器的实际应用电路。

Measures of improving for low temperature toughness by selecting the welding materials and strictly controlling the welding process for welded joints of low temperature low-alloy steel, nickel alloy steel and chrome-nickel austenitic stainless steel for low temperature pressure vessels were summed up.

为了改善工作于低温环境的压力容器用低合金低温钢、镍合金钢和铬镍奥氏体不锈钢的焊接接头低温韧性，而采取改进焊接材料、严格控制焊接工艺的措施。

Optimal pretreatment conditions of electroless nickel plating for magnesium were decided by many experiments. Phosphoric acid technology was used to instead of acid processing by chromium trioxide and ferric chloride, and excellent coating was obtained by using dipped zinc, cyanide copper, nickel as medium.

通过多次试验确定了镁及镁合金的前处理方案，以磷酸洗的方法代替传统的铬酐加三氯化铁酸洗浸蚀的前处理工艺，配置简单，操作方便，以浸锌层、氰化铜层和中性镍层作为化学镀中间层，得到了结合力良好的化学镀镍层，获得了镁合金表面处理的新突破。

It is especially suitable to separation of cobalt and nickel from chloride solution with high concentration of nickel and low concentration of cobalt by extraction with quaternary ammonium chloride.

对氯离子浓度较低的料液，季铵比叔胺更优越，特别适合从高镍低钴的低浓度氯化物介质中萃取分离钴、镍。

Therefore, the nickel impurity in the chromium-plating bath was determined using spectrophotometry, which was based on the reaction between nickel ions and diacetyldioxime, generating a red complex, in the presence of alkali and ammonium per-sulfate. The measurement was carried out in 3cm color-matching cells at a wavelength of 510nm, using the sample without chromogenic agent as the reference.

在碱性和过硫酸铵存在的条件下，镍离子与丁二酮肟生成水红色配合物，利用这一特性，以丁二酮肟光度法测定镀铬溶液中镍杂质的含量，以不加显色剂的试样作参比液，用3cm比色皿，在波长510nm处测定。

Nickel nanoparticles were obtained by hydrazine reduction of nickel chloride in ethylene glycol in an air atmosphere.

摘 要：在乙二醇中用肼作还原剂还原Ni2+制备镍纳米粒子。

Nickel nanoparticles were obtained by hydrazine reduction of nickel chloride in ethylene glycol in an air atmosphere.

在乙二醇中用肼作还原剂还原Ni2+制备镍纳米粒子。

The three principals (Sara Watkins on fiddle and vocals; her brother Sean Watkins on guitar, mandolin, and vocals; and Chris Thile on mandolin, banjo, bouzouki, and vocals) are either barely out of their teens or still in them.

Nickel Creek乐团出道时间其实已经不短，早期的他们是作为一个巡演乐队的形式存在，直到2000年才发行了首张同名专辑《Nickel Creek》，反响不俗。2003年的《This Side》更是获得45届格莱美奖最佳现代民谣专辑的肯定。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。